Bundled Themes: Improve various globals documentation, as per docblock standards.

Props viralsampat, audrasjb, costdev.
See #56792, #57069.


git-svn-id: https://develop.svn.wordpress.org/trunk@55472 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentyfourteen/functions.php

@@ -721,6 +721,8 @@ if ( ! class_exists( 'Featured_Content' ) && 'plugins.php' !== $GLOBALS['pagenow
  *
  * Enables installing Twenty Fourteen in WordPress versions before 4.0.0 when the
  * `is_customize_preview` function was introduced.
+ *
+ * @global WP_Customize_Manager $wp_customize Customizer object.
  */
 if ( ! function_exists( 'is_customize_preview' ) ) :
 	function is_customize_preview() {

src/wp-content/themes/twentyseventeen/front-page.php

@@ -38,6 +38,8 @@ get_header(); ?>
 			 *
 			 * @since Twenty Seventeen 1.0
 			 *
+			 * @global int|string $twentyseventeencounter Front page section counter.
+			 *
 			 * @param int $num_sections Number of front page sections.
 			 */
 			$num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );

src/wp-content/themes/twentythirteen/functions.php

@@ -383,6 +383,9 @@ add_action( 'enqueue_block_editor_assets', 'twentythirteen_block_editor_styles'
  *
  * @since Twenty Thirteen 1.0
  *
+ * @global int $paged WordPress archive pagination page count.
+ * @global int $page  WordPress paginated post page count.
+ *
  * @param string $title Default title text for current view.
  * @param string $sep   Optional separator.
  * @return string The filtered title.
@@ -751,6 +754,8 @@ add_filter( 'body_class', 'twentythirteen_body_class' );
  * Adjust content_width value for video post formats and attachment templates.
  *
  * @since Twenty Thirteen 1.0
+ *
+ * @global int $content_width Content width.
  */
 function twentythirteen_content_width() {
 	global $content_width;

src/wp-content/themes/twentytwenty/index.php

@@ -25,6 +25,9 @@ get_header();
 	$archive_subtitle = '';
 
 	if ( is_search() ) {
+		/**
+		 * @global WP_Query $wp_query WordPress Query object.
+		 */
 		global $wp_query;
 
 		$archive_title = sprintf(